body{
    min-width: 1100px;
}
/* header*/
header{
    background-color: pink;
    text-align: center;
    height: 570px;
    padding: 10px 0;
    background-image: url(../images/20220307023623567.jpg);
    position: relative;
}
nav{
    background-color: aquamarine;
    height: 40px;
}
.btn{
    width: 1140px;
    margin:auto;
    text-align: right;
}
.btn>button{
    border: #81A1C8 1px solid;
    width: 100px;
    padding: 5px;
    border-radius: 20px;
    background: none;
    margin-right: 20px;
    color: #81A1C8;
}
.logo{
    width: 1140px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
nav{
    width: 100%;
    background: #194A8E;
    height: 90px;
    display: flex;
    align-items: center;
    position: absolute;
    top: 160px;
}
nav>.nav{
    width: 1140px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
nav>.nav>ul{
    
    width: 80%;
    display: flex;
    justify-content: space-between;
    
}
nav>.nav>ul>li>a{
    color:white;
}
nav>.nav>.search{
    
    position: relative;
}
nav>.nav>.search>input{
    border: #7696BF solid 1px;
    background: none;
    
    border-radius: 25px;
    font-size: 16px;
    width: 150px;
    padding: 6px;
    padding-left: 15px;
}
nav>.nav>.search>img{
    position: absolute;
    left: 143px;
}
section{
    height: 500px;
}
aside{
    width: 30%;
    height: 100%;
    background-color: goldenrod;
    float: left;
}
article{
    width: 70%;
    height: 100%;
    background-color: rgb(26, 149, 180);
    float: right;
}


/* footer */
footer{
    background-color: pink;
    height: 200px;
}
.footer_list{
    height: 180px;
    width: 100%;
    background-color: rgb(10, 63, 137);
}
.footer_list>li{
    float: left;
    height: 100%;
}
.footer_logo{
    width: 30%;
}
.footer_mes{
    width: 26%;
}
.nanquan,.shuangqiao{
    width: 22%;
}
.nanquan>h3,.shuangqiao>h3{
    color: white;
    font-family: '微软雅黑';
    font-size: 16px;
    height: 24px;
    margin-top: 28px;
}
.nanquan>p .shuangqiao>p{
    font-size: 13px;
    color: #90afdb;
    height: 96px;
    line-height: 24px;
    margin-top: 4px;
}
.footer_logo>img{
    margin-top: 20px;
    margin-left: 25%;
}
.footer_mes>img{
    margin-left: 35%;
    margin-top: 25px;
}
.footer_mes>p{
    width: 100px;
    height: 24px;
    color: white;
    margin-left: 35%;
    font-size: 14px;
    text-align: center;
    margin-top: 4px;
}
.end{
    width: 100%;
    background: #002A64;
    padding:40px 0 20px 0;
}
.end_content{
    width: 1140px;
    margin: auto;
    color: #fff;
    font-size: 14px;
}
.end_content span{
    color: #ccc;
}
.end_content a{
    color: red;
}
.last{
    margin-top: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.last>img{
    height: 20px;
}
.last span{
    color: #ccc;
}